These are brand new, blank OEM EJ257B25/V25/W25Heads straight from Subaru.
Repairing an engine failure Building an engine from scratch with your own internals and valvetrain This is a great option for you, since Subaru no longer offers fully assembled heads as a single part number.
These do not contain valves, retainers, springs, cams, seals, gaskets, etc. This is just the blank head casings as pictured.
Warranty Disclaimer:Subaru of America will only warranty parts installed on a car that has a matching VIN to that part.